Revision tags: v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6, v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5, v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17, v4.16, v4.15, v4.13.16 |
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#
5f4cdac6 |
| 17-Nov-2017 |
Dou Liyang <douly.fnst@cn.fujitsu.com> |
arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro
Commit a7be6e5a7f8d ("mm: drop useless local parameters of __register_one_node()") removed the last user of parent_node().
Th
arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro
Commit a7be6e5a7f8d ("mm: drop useless local parameters of __register_one_node()") removed the last user of parent_node().
The parent_node() macro in SPARC64 platform is unnecessary.
Remove it for cleanup.
Link: http://lkml.kernel.org/r/1504234599-29533-6-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Reported-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Revision tags: v4.14 |
|
#
b2441318 |
| 01-Nov-2017 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license identifiers to apply.
- when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary:
SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became the concluded license(s).
- when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time.
In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related.
Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v4.13.5, v4.13, v4.12, v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11, v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10 |
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#
fc5e8c28 |
| 04-Feb-2017 |
Ben Hutchings <ben@decadent.org.uk> |
sparc: topology_64.h: Fix condition for including cpudata.h
We currently define macros referring to cpu_data if CONFIG_SMP is defined, but only include the declaration if CONFIG_NUMA is defined.
Fi
sparc: topology_64.h: Fix condition for including cpudata.h
We currently define macros referring to cpu_data if CONFIG_SMP is defined, but only include the declaration if CONFIG_NUMA is defined.
Fixes: 541cc39433a8 ("sparc: fix a building error reported by kbuild") Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v4.9 |
|
#
541cc394 |
| 07-Dec-2016 |
Gonglei \(Arei\) <arei.gonglei@huawei.com> |
sparc: fix a building error reported by kbuild
>> arch/sparc/include/asm/topology_64.h:44:44: error: implicit declaration of function 'cpu_data' [-Werror=implicit-function-declaration]
#define top
sparc: fix a building error reported by kbuild
>> arch/sparc/include/asm/topology_64.h:44:44: error: implicit declaration of function 'cpu_data' [-Werror=implicit-function-declaration]
#define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) ^ Let's include cpudata.h in topology_64.h.
Cc: Sam Ravnborg <sam@ravnborg.org> Cc: David S. Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26 |
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#
d624716b |
| 19-Oct-2016 |
Atish Patra <atish.patra@oracle.com> |
sparc64: Setup a scheduling domain for highest level cache.
Individual scheduler domain should consist different hierarchy consisting of cores sharing similar property. Currently, no scheduler domai
sparc64: Setup a scheduling domain for highest level cache.
Individual scheduler domain should consist different hierarchy consisting of cores sharing similar property. Currently, no scheduler domain is defined separately for the cores that shares the last level cache. As a result, the scheduler fails to take advantage of cache locality while migrating tasks during load balancing.
Here are the cpu masks currently present for sparc that are/can be used in scheduler domain construction. cpu_core_map : set based on the cores that shares l1 cache. core_core_sib_map : is set based on the socket id. The prior SPARC notion of socket was defined as highest level of shared cache. However, the MD record on T7 platforms now describes the CPUs that share the physical socket and this is no longer tied to shared cache.
That's why a separate cpu mask needs to be created that truly represent highest level of shared cache for all platforms.
Signed-off-by: Atish Patra <atish.patra@oracle.com> Reviewed-by: Chris Hyser <chris.hyser@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1, openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14, v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1, openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1, openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1 |
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#
52708d69 |
| 02-Nov-2015 |
Nitin Gupta <nitin.m.gupta@oracle.com> |
sparc64: Fix numa distance values
Orabug: 21896119
Use machine descriptor (MD) to get node latency values instead of just using default values.
Testing: On an T5-8 system with: - total nodes = 8
sparc64: Fix numa distance values
Orabug: 21896119
Use machine descriptor (MD) to get node latency values instead of just using default values.
Testing: On an T5-8 system with: - total nodes = 8 - self latencies = 0x26d18 - latency to other nodes = 0x3a598 => latency ratio = ~1.5
output of numactl --hardware
- before fix:
node distances: node 0 1 2 3 4 5 6 7 0: 10 20 20 20 20 20 20 20 1: 20 10 20 20 20 20 20 20 2: 20 20 10 20 20 20 20 20 3: 20 20 20 10 20 20 20 20 4: 20 20 20 20 10 20 20 20 5: 20 20 20 20 20 10 20 20 6: 20 20 20 20 20 20 10 20 7: 20 20 20 20 20 20 20 10
- after fix:
node distances: node 0 1 2 3 4 5 6 7 0: 10 15 15 15 15 15 15 15 1: 15 10 15 15 15 15 15 15 2: 15 15 10 15 15 15 15 15 3: 15 15 15 10 15 15 15 15 4: 15 15 15 15 10 15 15 15 5: 15 15 15 15 15 10 15 15 6: 15 15 15 15 15 15 10 15 7: 15 15 15 15 15 15 15 10
Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Reviewed-by: Chris Hyser <chris.hyser@oracle.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v4.3, openbmc-20151102-1, openbmc-20151028-1, v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7, v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8, v4.1-rc7, v4.1-rc6 |
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#
06931e62 |
| 26-May-2015 |
Bartosz Golaszewski <bgolaszewski@baylibre.com> |
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
Rename topology_thread_cpumask() to topology_sibling_cpumask() for more consistency with scheduler code.
Signed-off-by
sched/topology: Rename topology_thread_cpumask() to topology_sibling_cpumask()
Rename topology_thread_cpumask() to topology_sibling_cpumask() for more consistency with scheduler code.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Benoit Cousson <bcousson@baylibre.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jean Delvare <jdelvare@suse.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Drokin <oleg.drokin@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Russell King <linux@arm.linux.org.uk> Cc: Viresh Kumar <viresh.kumar@linaro.org> Link: http://lkml.kernel.org/r/1432645896-12588-2-git-send-email-bgolaszewski@baylibre.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Revision tags: v4.1-rc5, v4.1-rc4, v4.1-rc3, v4.1-rc2, v4.1-rc1 |
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#
acc455cf |
| 22-Apr-2015 |
chris hyser <chris.hyser@oracle.com> |
sparc64: Setup sysfs to mark LDOM sockets, cores and threads correctly
commit 5f4826a362405748bbf73957027b77993e61e1af Author: chris hyser <chris.hyser@oracle.com> Date: Tue Apr 21 10:31:38 2015 -
sparc64: Setup sysfs to mark LDOM sockets, cores and threads correctly
commit 5f4826a362405748bbf73957027b77993e61e1af Author: chris hyser <chris.hyser@oracle.com> Date: Tue Apr 21 10:31:38 2015 -0400
sparc64: Setup sysfs to mark LDOM sockets, cores and threads correctly
The current sparc kernel has no representation for sockets though tools like lscpu can pull this from sysfs. This patch walks the machine description cache and socket hierarchy and marks sockets as well as cores and threads such that a representative sysfs is created by drivers/base/topology.c.
Before this patch: $ lscpu Architecture: sparc64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Big Endian CPU(s): 1024 On-line CPU(s) list: 0-1023 Thread(s) per core: 8 Core(s) per socket: 1 <--- wrong Socket(s): 128 <--- wrong NUMA node(s): 4 NUMA node0 CPU(s): 0-255 NUMA node1 CPU(s): 256-511 NUMA node2 CPU(s): 512-767 NUMA node3 CPU(s): 768-1023
After this patch: $ lscpu Architecture: sparc64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Big Endian CPU(s): 1024 On-line CPU(s) list: 0-1023 Thread(s) per core: 8 Core(s) per socket: 32 Socket(s): 4 NUMA node(s): 4 NUMA node0 CPU(s): 0-255 NUMA node1 CPU(s): 256-511 NUMA node2 CPU(s): 512-767 NUMA node3 CPU(s): 768-1023
Most of this patch was done by Chris with updates by David.
Signed-off-by: Chris Hyser <chris.hyser@oracle.com> Signed-off-by: David Ahern <david.ahern@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v4.0, v4.0-rc7, v4.0-rc6, v4.0-rc5, v4.0-rc4, v4.0-rc3, v4.0-rc2, v4.0-rc1, v3.19, v3.19-rc7, v3.19-rc6, v3.19-rc5, v3.19-rc4, v3.19-rc3, v3.19-rc2, v3.19-rc1, v3.18, v3.18-rc7, v3.18-rc6, v3.18-rc5, v3.18-rc4, v3.18-rc3, v3.18-rc2, v3.18-rc1, v3.17, v3.17-rc7, v3.17-rc6, v3.17-rc5, v3.17-rc4, v3.17-rc3, v3.17-rc2, v3.17-rc1, v3.16, v3.16-rc7, v3.16-rc6, v3.16-rc5, v3.16-rc4, v3.16-rc3, v3.16-rc2, v3.16-rc1, v3.15, v3.15-rc8, v3.15-rc7, v3.15-rc6 |
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#
f05a6865 |
| 16-May-2014 |
Sam Ravnborg <sam@ravnborg.org> |
sparc: drop use of extern for prototypes in arch/sparc/include/asm
Drop extern for all prototypes and adjust alignment of parameters as required after the removal. In a few rare cases adjust linelen
sparc: drop use of extern for prototypes in arch/sparc/include/asm
Drop extern for all prototypes and adjust alignment of parameters as required after the removal. In a few rare cases adjust linelength to conform to maximum 80 chars, and likewise in a few rare cases adjust alignment of parameters to static functions.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v3.15-rc5, v3.15-rc4, v3.15-rc3, v3.15-rc2, v3.15-rc1, v3.14, v3.14-rc8, v3.14-rc7, v3.14-rc6 |
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#
36fc5500 |
| 04-Mar-2014 |
Bjorn Helgaas <bhelgaas@google.com> |
sched: Remove unused mc_capable() and smt_capable()
Remove mc_capable() and smt_capable(). Neither is used.
Both were added by 5c45bf279d37 ("sched: mc/smt power savings sched policy"). Uses of b
sched: Remove unused mc_capable() and smt_capable()
Remove mc_capable() and smt_capable(). Neither is used.
Both were added by 5c45bf279d37 ("sched: mc/smt power savings sched policy"). Uses of both were removed by 8e7fbcbc22c1 ("sched: Remove stale power aware scheduling remnants and dysfunctional knobs").
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Link: http://lkml.kernel.org/r/20140304210737.16893.54289.stgit@bhelgaas-glaptop.roam.corp.google.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Revision tags: v3.14-rc5, v3.14-rc4, v3.14-rc3, v3.14-rc2, v3.14-rc1, v3.13, v3.13-rc8, v3.13-rc7, v3.13-rc6, v3.13-rc5, v3.13-rc4, v3.13-rc3, v3.13-rc2, v3.13-rc1, v3.12, v3.12-rc7, v3.12-rc6, v3.12-rc5, v3.12-rc4, v3.12-rc3, v3.12-rc2, v3.12-rc1, v3.11, v3.11-rc7, v3.11-rc6, v3.11-rc5, v3.11-rc4, v3.11-rc3, v3.11-rc2, v3.11-rc1, v3.10, v3.10-rc7, v3.10-rc6, v3.10-rc5, v3.10-rc4, v3.10-rc3, v3.10-rc2, v3.10-rc1, v3.9, v3.9-rc8, v3.9-rc7, v3.9-rc6, v3.9-rc5, v3.9-rc4, v3.9-rc3, v3.9-rc2, v3.9-rc1, v3.8, v3.8-rc7, v3.8-rc6, v3.8-rc5, v3.8-rc4, v3.8-rc3, v3.8-rc2, v3.8-rc1, v3.7, v3.7-rc8, v3.7-rc7, v3.7-rc6, v3.7-rc5, v3.7-rc4, v3.7-rc3, v3.7-rc2, v3.7-rc1, v3.6, v3.6-rc7, v3.6-rc6, v3.6-rc5, v3.6-rc4, v3.6-rc3, v3.6-rc2, v3.6-rc1, v3.5, v3.5-rc7, v3.5-rc6, v3.5-rc5, v3.5-rc4, v3.5-rc3, v3.5-rc2, v3.5-rc1, v3.4, v3.4-rc7, v3.4-rc6, v3.4-rc5, v3.4-rc4 |
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#
cb83b629 |
| 17-Apr-2012 |
Peter Zijlstra <a.p.zijlstra@chello.nl> |
sched/numa: Rewrite the CONFIG_NUMA sched domain support
The current code groups up to 16 nodes in a level and then puts an ALLNODES domain spanning the entire tree on top of that. This doesn't refl
sched/numa: Rewrite the CONFIG_NUMA sched domain support
The current code groups up to 16 nodes in a level and then puts an ALLNODES domain spanning the entire tree on top of that. This doesn't reflect the numa topology and esp for the smaller not-fully-connected machines out there today this might make a difference.
Therefore, build a proper numa topology based on node_distance().
Since there's no fixed numa layers anymore, the static SD_NODE_INIT and SD_ALLNODES_INIT aren't usable anymore, the new code tries to construct something similar and scales some values either on the number of cpus in the domain and/or the node_distance() ratio.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Anton Blanchard <anton@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: David Howells <dhowells@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: linux-alpha@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-sh@vger.kernel.org Cc: Matt Turner <mattst88@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net> Cc: sparclinux@vger.kernel.org Cc: Tony Luck <tony.luck@intel.com> Cc: x86@kernel.org Cc: Dimitri Sivanich <sivanich@sgi.com> Cc: Greg Pearson <greg.pearson@hp.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: bob.picco@oracle.com Cc: chris.mason@oracle.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-r74n3n8hhuc2ynbrnp3vt954@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Revision tags: v3.4-rc3, v3.4-rc2, v3.4-rc1, v3.3, v3.3-rc7, v3.3-rc6, v3.3-rc5, v3.3-rc4, v3.3-rc3, v3.3-rc2, v3.3-rc1, v3.2, v3.2-rc7, v3.2-rc6, v3.2-rc5, v3.2-rc4, v3.2-rc3, v3.2-rc2, v3.2-rc1, v3.1, v3.1-rc10, v3.1-rc9, v3.1-rc8, v3.1-rc7, v3.1-rc6, v3.1-rc5, v3.1-rc4, v3.1-rc3, v3.1-rc2, v3.1-rc1, v3.0, v3.0-rc7, v3.0-rc6, v3.0-rc5, v3.0-rc4, v3.0-rc3, v3.0-rc2, v3.0-rc1, v2.6.39, v2.6.39-rc7, v2.6.39-rc6, v2.6.39-rc5, v2.6.39-rc4 |
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#
3905c54f |
| 11-Apr-2011 |
Stephen Rothwell <sfr@canb.auug.org.au> |
sched, sparc64: Turn cpu_coregroup_mask() into a real function
This compile error triggers on Sparc64:
kernel/sched.c:7140: error: 'cpu_coregroup_mask' undeclared here (not in a function)
Becau
sched, sparc64: Turn cpu_coregroup_mask() into a real function
This compile error triggers on Sparc64:
kernel/sched.c:7140: error: 'cpu_coregroup_mask' undeclared here (not in a function)
Because after the recent scheduler domain cleanups the scheduler uses this arch method as a function pointer in a scheduler topology data structure - which is not possible with a macro.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: David S. Miller <davem@davemloft.net> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20110412140040.3020ef55.sfr@canb.auug.org.au Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Revision tags: v2.6.39-rc3, v2.6.39-rc2, v2.6.39-rc1, v2.6.38, v2.6.38-rc8, v2.6.38-rc7, v2.6.38-rc6, v2.6.38-rc5, v2.6.38-rc4, v2.6.38-rc3, v2.6.38-rc2, v2.6.38-rc1, v2.6.37, v2.6.37-rc8, v2.6.37-rc7, v2.6.37-rc6, v2.6.37-rc5, v2.6.37-rc4, v2.6.37-rc3, v2.6.37-rc2, v2.6.37-rc1, v2.6.36, v2.6.36-rc8, v2.6.36-rc7, v2.6.36-rc6, v2.6.36-rc5, v2.6.36-rc4, v2.6.36-rc3, v2.6.36-rc2, v2.6.36-rc1, v2.6.35, v2.6.35-rc6, v2.6.35-rc5, v2.6.35-rc4, v2.6.35-rc3, v2.6.35-rc2, v2.6.35-rc1, v2.6.34, v2.6.34-rc7, v2.6.34-rc6, v2.6.34-rc5, v2.6.34-rc4, v2.6.34-rc3, v2.6.34-rc2, v2.6.34-rc1, v2.6.33, v2.6.33-rc8, v2.6.33-rc7, v2.6.33-rc6, v2.6.33-rc5, v2.6.33-rc4 |
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#
e5981fd6 |
| 05-Jan-2010 |
Anton Blanchard <anton@samba.org> |
sparc: cpumask_of_node() should handle -1 as a node
pcibus_to_node can return -1 if we cannot determine which node a pci bus is on. If passed -1, cpumask_of_node will negatively index the lookup arr
sparc: cpumask_of_node() should handle -1 as a node
pcibus_to_node can return -1 if we cannot determine which node a pci bus is on. If passed -1, cpumask_of_node will negatively index the lookup array and pull in random data:
# cat /sys/devices/pci0000:00/0000:00:01.0/local_cpus 00000000,00000003,00000000,00000000 # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpulist 64-65
Change cpumask_of_node to check for -1 and return cpu_all_mask in this case:
# cat /sys/devices/pci0000:00/0000:00:01.0/local_cpus ffffffff,ffffffff,ffffffff,ffffffff # cat /sys/devices/pci0000:00/0000:00:01.0/local_cpulist 0-127
Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v2.6.33-rc3, v2.6.33-rc2, v2.6.33-rc1, v2.6.32, v2.6.32-rc8, v2.6.32-rc7, v2.6.32-rc6, v2.6.32-rc5, v2.6.32-rc4, v2.6.32-rc3, v2.6.32-rc1, v2.6.32-rc2 |
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#
434e2187 |
| 24-Sep-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove obsolete topology_core_siblings and topology_thread_siblings: sparc
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rus
cpumask: remove obsolete topology_core_siblings and topology_thread_siblings: sparc
There were replaced by topology_core_cpumask and topology_thread_cpumask.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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#
29c337a0 |
| 24-Sep-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove obsolete node_to_cpumask now everyone uses cpumask_of_node
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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182a85f8 |
| 16-Sep-2009 |
Peter Zijlstra <a.p.zijlstra@chello.nl> |
sched: Disable wakeup balancing
Sysbench thinks SD_BALANCE_WAKE is too agressive and kbuild doesn't really mind too much, SD_BALANCE_NEWIDLE picks up most of the slack.
On a dual socket, quad core,
sched: Disable wakeup balancing
Sysbench thinks SD_BALANCE_WAKE is too agressive and kbuild doesn't really mind too much, SD_BALANCE_NEWIDLE picks up most of the slack.
On a dual socket, quad core, dual thread nehalem system:
sysbench (--num_threads=16):
SD_BALANCE_WAKE-: 13982 tx/s SD_BALANCE_WAKE+: 15688 tx/s
kbuild (-j16):
SD_BALANCE_WAKE-: 47.648295846 seconds time elapsed ( +- 0.312% ) SD_BALANCE_WAKE+: 47.608607360 seconds time elapsed ( +- 0.026% )
(same within noise)
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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#
b8a543ea |
| 15-Sep-2009 |
Peter Zijlstra <a.p.zijlstra@chello.nl> |
sched: Reduce forkexec_idx
If we're looking to place a new task, we might as well find the idlest position _now_, not 1 tick ago.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Referen
sched: Reduce forkexec_idx
If we're looking to place a new task, we might as well find the idlest position _now_, not 1 tick ago.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Revision tags: v2.6.31, v2.6.31-rc9 |
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#
78e7ed53 |
| 03-Sep-2009 |
Peter Zijlstra <a.p.zijlstra@chello.nl> |
sched: Tweak wake_idx
When merging select_task_rq_fair() and sched_balance_self() we lost the use of wake_idx, restore that and set them to 0 to make wake balancing more aggressive.
Signed-off-by:
sched: Tweak wake_idx
When merging select_task_rq_fair() and sched_balance_self() we lost the use of wake_idx, restore that and set them to 0 to make wake balancing more aggressive.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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#
c88d5910 |
| 10-Sep-2009 |
Peter Zijlstra <a.p.zijlstra@chello.nl> |
sched: Merge select_task_rq_fair() and sched_balance_self()
The problem with wake_idle() is that is doesn't respect things like cpu_power, which means it doesn't deal well with SMT nor the recent RT
sched: Merge select_task_rq_fair() and sched_balance_self()
The problem with wake_idle() is that is doesn't respect things like cpu_power, which means it doesn't deal well with SMT nor the recent RT interaction.
To cure this, it needs to do what sched_balance_self() does, which leads to the possibility of merging select_task_rq_fair() and sched_balance_self().
Modify sched_balance_self() to:
- update_shares() when walking up the domain tree, (it only called it for the top domain, but it should have done this anyway), which allows us to remove this ugly bit from try_to_wake_up().
- do wake_affine() on the smallest domain that contains both this (the waking) and the prev (the wakee) cpu for WAKE invocations.
Then use the top-down balance steps it had to replace wake_idle().
This leads to the dissapearance of SD_WAKE_BALANCE and SD_WAKE_IDLE_FAR, with SD_WAKE_IDLE replaced with SD_BALANCE_WAKE.
SD_WAKE_AFFINE needs SD_BALANCE_WAKE to be effective.
Touch all topology bits to replace the old with new SD flags -- platforms might need re-tuning, enabling SD_BALANCE_WAKE conditionally on a NUMA distance seems like a good additional feature, magny-core and small nehalem systems would want this enabled, systems with slow interconnects would not.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Revision tags: v2.6.31-rc8, v2.6.31-rc7, v2.6.31-rc6, v2.6.31-rc5, v2.6.31-rc4, v2.6.31-rc3, v2.6.31-rc2, v2.6.31-rc1, v2.6.30, v2.6.30-rc8, v2.6.30-rc7, v2.6.30-rc6, v2.6.30-rc5, v2.6.30-rc4, v2.6.30-rc3, v2.6.30-rc2, v2.6.30-rc1 |
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#
0451fb2e |
| 30-Mar-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove node_to_first_cpu
Everyone defines it, and only one person uses it (arch/mips/sgi-ip27/ip27-nmi.c). So just open code it there.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
cpumask: remove node_to_first_cpu
Everyone defines it, and only one person uses it (arch/mips/sgi-ip27/ip27-nmi.c). So just open code it there.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: linux-mips@linux-mips.org
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Revision tags: v2.6.29 |
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#
e9b37512 |
| 15-Mar-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL.: sparc
Impact: cleanup
(Thanks to Al Viro for reminding me of this, via Ingo)
CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, de
cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL.: sparc
Impact: cleanup
(Thanks to Al Viro for reminding me of this, via Ingo)
CPU_MASK_ALL is the (deprecated) "all bits set" cpumask, defined as so:
#define CPU_MASK_ALL (cpumask_t) { { ... } }
Taking the address of such a temporary is questionable at best, unfortunately 321a8e9d (cpumask: add CPU_MASK_ALL_PTR macro) added CPU_MASK_ALL_PTR:
#define CPU_MASK_ALL_PTR (&CPU_MASK_ALL)
Which formalizes this practice. One day gcc could bite us over this usage (though we seem to have gotten away with it so far).
So replace everywhere which used &CPU_MASK_ALL or CPU_MASK_ALL_PTR with the modern "cpu_all_mask" (a real struct cpumask *), and remove CPU_MASK_ALL_PTR altogether.
Also remove the confusing and deprecated large-NR_CPUS-only "cpu_mask_all".
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hu> Reported-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Mike Travis <travis@sgi.com>
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#
cc301d26 |
| 15-Mar-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove the now-obsoleted pcibus_to_cpumask(): sparc
Impact: reduce stack usage for large NR_CPUS
cpumask_of_pcibus() is the new version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.a
cpumask: remove the now-obsoleted pcibus_to_cpumask(): sparc
Impact: reduce stack usage for large NR_CPUS
cpumask_of_pcibus() is the new version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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#
7b45101d |
| 15-Mar-2009 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: remove cpu_coregroup_map: sparc
Impact: cleanup
cpu_coregroup_mask is the New Hotness.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Revision tags: v2.6.29-rc8, v2.6.29-rc7, v2.6.29-rc6, v2.6.29-rc5, v2.6.29-rc4, v2.6.29-rc3, v2.6.29-rc2 |
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#
9d079337 |
| 11-Jan-2009 |
David Miller <davem@davemloft.net> |
sparc64: Fix cpumask related build failure
cpumask_of_pcibus() was missing - this triggers on NUMA builds.
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ingo Molnar <mingo@elt
sparc64: Fix cpumask related build failure
cpumask_of_pcibus() was missing - this triggers on NUMA builds.
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Revision tags: v2.6.29-rc1 |
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#
78fd744f |
| 31-Dec-2008 |
Rusty Russell <rusty@rustcorp.com.au> |
cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): sparc
Impact: New API
The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return
cpumask: Introduce topology_core_cpumask()/topology_thread_cpumask(): sparc
Impact: New API
The old topology_core_siblings() and topology_thread_siblings() return a cpumask_t; these new ones return a (const) struct cpumask *.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
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